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First implemenation of <mouse> in rc.xml

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Can successfully parse the following XML and and implement the action:

<mouse>
    <context name="TitleBar">
        <mousebind button="Left" action="DoubleClick">
            <action name="ToggleMaximize"/>
        </mousebind>
    </context>
</mouse>

The XML parsing code for this looks A LOT different than the already
existing XML parsing code. It may have to be reworked
This commit is contained in:
alex 2021-08-29 14:22:49 -04:00 • committed by Johan Malm
parent 75564d6b8d
commit dfdb4e4b0e
6 changed files with 335 additions and 1 deletions
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193
src/config/rcxml.c
View file

@ -16,11 +16,13 @@
#include "common/string-helpers.h"
#include "common/zfree.h"
#include "config/keybind.h"
#include "config/mousebind.h"
#include "config/rcxml.h"
static bool in_keybind = false;
static bool is_attribute = false;
static struct keybind *current_keybind;
static const char* current_mouse_context = "";
enum font_place {
FONT_PLACE_UNKNOWN = 0,
@ -223,6 +225,184 @@ traverse(xmlNode *n)
xml_tree_walk(n->children);
}
static bool
is_ignorable_node(const xmlNode* n)
{
if(n->type == XML_COMMENT_NODE) {
return true;
}
if(n->type == XML_TEXT_NODE) {
for(const char* s = (const char*)n->content; s && (*s != '\0'); s++) {
if(!isspace(*s)) {
return false;
}
}
return true;
}
return false;
}
static void
traverse_mousebind_action(xmlNode* node, const char* button_str, const char* mouse_action)
{
/*
* Right now, all we have implemented is:
*
* <action name="ToggleMaximize"/> ] -- only supported attribute is "name"
*
* <action name="Execute>
* <command>command text here</command> ] -- if name is execute, we support a child node of name command
* </action>
*/
const char* action_to_do = "";
const char* command = "";
for(xmlAttr* attr = node->properties; attr; attr = attr->next) {
if(strcasecmp((const char*)attr->name, "name") == 0) {
action_to_do = (const char*)attr->children->content;
} else {
wlr_log(WLR_ERROR, "hit unexpected attr (%s) in mousebind action\n", (const char*) attr->name);
}
}
if(strcasecmp((const char*)action_to_do, "Execute") == 0) {
for(xmlNode* n = node->children; n && n->name; n = n->next) {
if(strcasecmp((const char*)n->name, "command") == 0) {
for(xmlNode* t = n->children; t; t = t->next) {
if( (t->type == XML_TEXT_NODE) ) {
command = (const char*)t->content;
}
}
}
}
}
struct mousebind* mousebind = mousebind_create(current_mouse_context,
button_str,
mouse_action,
action_to_do,
command);
if(mousebind != NULL) {
wl_list_insert(&rc.mousebinds, &mousebind->link);
} else {
wlr_log(WLR_ERROR, "failed to create mousebind:\n"
" context: (%s)\n"
" button: (%s)\n"
" mouse action: (%s)\n"
" action: (%s)\n"
" command: (%s)\n",
current_mouse_context,
button_str,
mouse_action,
action_to_do,
command);
}
}
static void
traverse_mousebind(xmlNode* node)
{
/*
* Right now, all we have implemented is:
*
* this node
* | this node's only supported attributes are "button" and "action"
* | | |
* v v v
* <mousebind button="Left" action="DoubleClick>
* <action name="ToggleMaximize"/> -|
* <action name="Execute> | -- This node's only supported children are actions
* <command>command text here</command> |
* </action> -|
* </context>
*/
const char* button_str = "";
const char* action_mouse_did_str = "";
for(xmlAttr* attr = node->properties; attr; attr = attr->next) {
if(strcasecmp((const char*)attr->name, "button") == 0) {
button_str = (const char*)attr->children->content;
} else if(strcasecmp((const char*)attr->name, "action") == 0) {
action_mouse_did_str = (const char*)attr->children->content;
} else {
wlr_log(WLR_ERROR, "hit unexpected attr (%s) in mousebind\n", (const char*)attr->name);
}
}
for(xmlNode* n = node->children; n && n->name; n = n->next) {
if(strcasecmp((const char*)n->name, "action") == 0) {
traverse_mousebind_action(n, button_str, action_mouse_did_str);
} else if(is_ignorable_node(n)) {
continue;
} else {
wlr_log(WLR_ERROR, "hit unexpected node (%s) in mousebind\n", (const char*) n->name);
}
}
}
static void
traverse_context(xmlNode* node)
{
/*
* Right now, all we have implemented is:
*
* this node
* | this node's only supported attribute is "name"
* | |
* v v
* <context name="TitleBar">
* <mousebind....> -|
* ... | -- This node's only supported child is mousebind
* </mousebind> -|
* </context>
*/
for(xmlAttr* attr = node->properties; attr; attr = attr->next) {
if(strcasecmp((const char*)attr->name, "name") == 0) {
current_mouse_context = (const char*)attr->children->content;
} else {
wlr_log(WLR_ERROR, "hit unexpected attr (%s) in context\n", (const char*)attr->name);
}
}
for(xmlNode* n = node->children; n && n->name; n = n->next) {
if(strcasecmp((const char*)n->name, "mousebind") == 0) {
traverse_mousebind(n);
} else if(is_ignorable_node(n)) {
continue;
} else {
wlr_log(WLR_ERROR, "hit unexpected node (%s) in context\n", (const char*)n->name);
}
}
}
static void
traverse_mouse(xmlNode* node)
{
/*
* Right now, all we have implemented is:
*
* this node
* |
* |
* v
* <mouse>
* <context name="TitleBar"> -|
* <mousebind....> |
* ... | -- This node's only supported child is context
* </mousebind> |
* </context> -|
* </mouse>
*/
for(xmlNode* n = node->children; n && n->name; n = n->next) {
if(strcasecmp((const char*)n->name, "context") == 0) {
traverse_context(n);
} else if(is_ignorable_node(n)) {
continue;
} else {
wlr_log(WLR_ERROR, "hit unexpected node (%s) in mouse\n", (const char*)n->name);
}
}
}
static void
xml_tree_walk(xmlNode *node)
{
@ -235,6 +415,10 @@ xml_tree_walk(xmlNode *node)
traverse(n);
in_keybind = false;
continue;
}
if(!strcasecmp((char *)n->name, "mouse")) {
traverse_mouse(n);
continue;
}
traverse(n);
}
@ -265,6 +449,7 @@ rcxml_init()
has_run = true;
LIBXML_TEST_VERSION
wl_list_init(&rc.keybinds);
wl_list_init(&rc.mousebinds);
rc.xdg_shell_server_side_deco = true;
rc.corner_radius = 8;
rc.font_size_activewindow = 10;
@ -400,4 +585,12 @@ rcxml_finish(void)
zfree(k->keysyms);
zfree(k);
}
struct mousebind *m, *m_tmp;
wl_list_for_each_safe(m, m_tmp, &rc.mousebinds, link) {
wl_list_remove(&m->link);
zfree(m->command);
zfree(m->action);
zfree(m);
}
}